Report: Cowboys guard Zack Martin to undergo MRI on Sunday following knee injury - UPDATE from Jerry Jones

UPDATE at bottom of post.

Every single Dallas Cowboys fan in the world held their collective breath on Saturday night when all-world guard Zack Martin went down with what was described as a left knee injury.

The standard NFL procedure unfolded. Zack went into the pop-up blue tent on the Cowboys sideline, but he then headed to the locker room which caused a bit of a panic. Martin re-emerged on the sidelines in the middle of the fourth quarter while wearing street clothes, and he was even laughing with his teammates.

We have no idea what the severity of Zack’s injury is, but we know what’s coming next. Hold your breath because Zack Martin is officially scheduled to undergo an MRI.

It goes without saying that this isn’t necessarily proof of anything, but one of the more popular NFL doctors on Twitter offered his opinion on Zack based on what happened throughout the game and broadcast. He seems optimistic.

Here’s hoping the best for Zack and for positive results on Sunday.

UPDATE: He is a little something positive on Martin.

UPDATE: 12:42am ET

ESPN’s Todd Archer reported that one source has said Zack Martin may have suffered a hyperextended left knee. This is the first specifying of anything we have heard.